The Club Leader can increase his Club level in two different ways:

1) Going to the "Club Objectives" panel and clicking on the button "Increase Level" (highlighted by the red arrow in the following image):

2) Going to our website burracoepinelle.com 
Click on the LOGIN button at the left of the screen.
Input your nickname and password and click on the Enter button.
Then, among the buttons at the left side, there will be a button with the label YOUR CLUB.
Click it.
Various options will be now visible. Click on the button “Increase Level" (see the arrow in the following image):